Radeon HD 6870 1600SP Edition vs GeForce GT 320M

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Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking1404not rated
Place by popularitynot in top-100not in top-100
Power efficiency1.36no data
ArchitectureTesla (2006−2010)TeraScale 2 (2009−2015)
GPU code nameG96CCypress
Market segmentLaptopDesktop
Release date15 June 2009 (16 years ago)14 January 2013 (12 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores321600
Core clock speed500 MHz850 MHz
Number of transistors314 million2,154 million
Manufacturing process technology55 nm40 nm
Power consumption (TDP)14 Watt175 Watt
Texture fill rate8.00068.00
Floating-point processing power0.08 TFLOPS2.72 TFLOPS
ROPs832
TMUs1680
L1 Cacheno data160 KB
L2 Cache32 KB512 KB

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop sizemedium sizedno data
InterfaceMXM-IIPCIe 2.0 x16
Lengthno data282 mm
Widthno data2-slot
Supplementary power connectorsNone2x 6-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR3GDDR5
Maximum RAM amount512 MB1 GB
Memory bus width128 Bit256 Bit
Memory clock speed800 MHz1050 MHz
Memory bandwidth25.6 GB/s134.4 GB/s
Shared memory--

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display ConnectorsNo outputs2x DVI, 1x HDMI, 2x mini-DisplayPort
HDMI-+

API and SDK compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX11.1 (10_0)11.2 (11_0)
Shader Model4.05.0
OpenGL3.34.4
OpenCL1.11.2
VulkanN/AN/A
CUDA1.1-

Pros & cons summary


Recency 15 June 2009 14 January 2013
Maximum RAM amount 512 MB 1 GB
Chip lithography 55 nm 40 nm
Power consumption (TDP) 14 Watt 175 Watt

GT 320M has 1150% lower power consumption.

HD 6870 1600SP Edition, on the other hand, has an age advantage of 3 years, a 100% higher maximum VRAM amount, and a 37.5% more advanced lithography process.

We couldn't decide between GeForce GT 320M and Radeon HD 6870 1600SP Edition. We've got no test results to judge.

Be aware that GeForce GT 320M is a notebook graphics card while Radeon HD 6870 1600SP Edition is a desktop one.

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NVIDIA GeForce GT 320M
GeForce GT 320M
AMD Radeon HD 6870 1600SP Edition
Radeon HD 6870 1600SP Edition

Other comparisons

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.3 136 votes

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